Tamil NaduThursday, 27 August 2026·Hindu Tamil Thisai
Poonamallee–Sunguvarchatram Metro phase to proceed after Parandur airport plan cancellation
With the Parandur airport project cancelled, the Chennai Metro Rail plan is now set to proceed only from Poonamallee to Sunguvarchatram.
Key highlights
Direct fact
In 2025, the Chennai Metro Rail project for the 53-km Poonamallee–Parandur corridor was approved by the Tamil Nadu government, but after the Parandur airport plan was cancelled, the line is now expected to be implemented only up to Sunguvarchatram.
Key specifics
- The original metro corridor was planned as 53 km from Poonamallee to Parandur.
- The detailed project report was submitted to the Tamil Nadu government in 2025.
- The state government issued approval in June 2025.
- The first phase is now planned as 28 km from Poonamallee to Sunguvarchatram at ₹8,779 crore.
- The second phase from Sunguvarchatram to Parandur airport terminal 2 was earlier estimated at 25 km and ₹7,000 crore.
Exam lens
Question type: Tamil Nadu infrastructure, metro rail planning, project revision; key facts: 53 km, 2025 DPR, June 2025 approval, ₹8,779 crore, 28 km, Sunguvarchatram, Parandur cancellation. TNPSC may ask the revised endpoint and the original project length.